package HUZ;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;

public class Test4 {
    public static void main(String[] args) {
        String s=new String();
        StringBuffer buffer=new StringBuffer();
        ArrayList arrayList=new ArrayList();
        HashMap<Integer,Integer>map=new HashMap<>();
        map.put(null,null);
        //Collections
        int a=(int)1.2f;
        System.out.println(a);

//        StringBuilder
    }
}
